admin_url( 'admin-ajax.php' ),
'nonce' => wp_create_nonce( 'np_alt_tools_secure_me' )
) );
wp_enqueue_script( 'np_alt_tools_js' );
}
/**
* Plugin settings page (where most of the action happens ;)
* Use injectScripts to insert admin scripts only on the settings page
*
* @since 0.0.1
*/
public function settingsPage() {
$hookSuffix = add_management_page(
'Alt Text Tools',
'Alt Text Tools',
'manage_options',
'nerdpress-alt-text-tools',
array( $this, 'settingsHtml' )
);
add_action( 'admin_print_scripts-' . $hookSuffix, array( $this, 'injectScripts' ) );
}
/**
* Markup for the settings page
*
* @since 0.0.1
*/
public function settingsHtml() {
?>
NerdPress Alt Text Tools
Download Alt Tag CSV
$value ) {
// Escape double quotes by doubling them.
$value = str_replace( '"', '""', $value );
// Enclose in double quotes if it contains special characters
if ( preg_match( '/[,"\r\n]/', $value ) ) {
$value = '"' . $value . '"';
}
$result[] = $value;
}
return $result;
}
private static function getImageNameFromUrl( $img_url ) {
$path_parts = explode( '/', $img_url );
$len = count( $path_parts );
if ( empty( $path_parts[ $len - 1 ] ) )
$image_name = $path_paths[ $len - 2 ];
else
$image_name = $path_parts[ $len - 1 ];
// Strip the size of the image
return preg_replace( '/-[0-9]+x[0-9]+/', '', $image_name );
}
/**
* Assemble a csv file
* To be called via AJAX
*
* @since 0.0.1
*/
public static function getCsv() {
check_ajax_referer( 'np_alt_tools_secure_me', 'np_alt_tools_nonce' );
/*=============================
* Get all the posts/pages etc.
*=============================*/
$opts = array(
'public' => TRUE,
'_builtin' => FALSE
);
$postTypes = array_merge(
array( 'post', 'page' ),
get_post_types( $opts )
);
$posts = [];
foreach( $postTypes as $type ) {
$posts = array_merge( $posts, get_posts( array(
'posts_per_page' => -1,
'post_type' => $type
) ) );
}
sort( $posts );
/*============================
* Find images, src, alt tags.
*============================*/
$imgElemRegex = '/]*>/';
$site_url = site_url();
$finds = [];
foreach( $posts as $post ) {
$post_link = get_permalink( $post );
$post_title = get_the_title( $post );
$post_edit_link = get_edit_post_link( $post );
$found = preg_match_all(
$imgElemRegex,
apply_filters( 'the_content', $post->post_content ),
$matches,
PREG_PATTERN_ORDER
);
if ( ! $found ) continue;
foreach( $matches as $match ) {
foreach( $match as $submatch ) {
preg_match( '/src="([^"]*)"/', $submatch, $img_url );
if ( strpos( $img_url[ 1 ], $site_url ) !== FALSE )
$media_link = $site_url .'/wp-admin/upload.php?s=' . self::getImageNameFromUrl( $img_url[ 1 ] );
else
$media_link = '';
preg_match( '/alt="([^"]*)"/', $submatch, $alt_tag );
if ( ! $alt_tag )
$alt_tag = [ '', 'MISSING' ];
else if ( $alt_tag[1] == '' )
$alt_tag = [ '', 'EMPTY' ];
$finds[] = array(
$post->ID,
$post->post_type,
html_entity_decode( $post_title ),
html_entity_decode( $post_link ),
html_entity_decode( $img_url[1] ),
html_entity_decode( $alt_tag[1] ),
html_entity_decode( $post_edit_link ),
html_entity_decode( $media_link )
);
}
}
}
/*================================
* Create CSV File and AJAX it back
*=================================*/
$rows = array( implode( ',', [
'post id',
'post_type',
'page title',
'page url',
'image url',
'image alt tag',
'edit link',
'media library link'
]
) );
foreach( $finds as $find ) {
$rows[] = implode( ',', self::escapeCsv( $find ) );
}
$csvString = implode( '\r\n', $rows );
echo $csvString;
die();
}
}
add_action( 'plugins_loaded', array( 'NerdpressAltTextTools', 'init' ) );